September weather forecast
Itacajá, Brazil

September, the first month of the spring in Itacajá, is still a very hot month, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 36.2°C (97.2°F).

Temperature

Itacajá reaches its highest average temperatures in September, measuring 36.2°C (97.2°F) at the peak and 23.5°C (74.3°F) at the lowest.

Heat index

September's average heat index is computed to be an extremely hot 41°C (105.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In Itacajá, the average relative humidity in September is 43%.

Rainfall

In Itacajá, during September, the rain falls for 8.1 days and regularly aggregates up to 11mm (0.43") of precipitation. In Itacajá, Brazil, during the entire year, the rain falls for 220.5 days and collects up to 1134mm (44.65") of precipitation.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of September, sunrise is at 06:12 and sunset at 18:09. On the last day of the month, sunrise is at 05:55 and sunset at 18:06 -03.

Sunshine

In September, the average sunshine in Itacajá is 9.9h.

UV index

The months with the highest UV index are February, March, May through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 7 translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.